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I borrowed a multimeter from my coworker yesterday. I turned the board over and touched those two contacts (C56 and the via by R36, as in the picture) and the multimeter beeped. I set the MM to measure resistance on the lowest setting, and touched these two again, and resistance was almost zero...

Hey bibilit, that is interesting. I am wondering though, first of all, how does one determine that a via is bad, and second of all, once the determination is made, how does one know where the other end of the via is? The circuit has multiple layers. It seems like it would be impossible to find...

I tried again turning the machine on after the wash, no go. I have ordered the same model pram battery from amazon. When it gets in I will replace it and try again before I go connection chasing. I know y'all have said that the pram shouldn't make a difference, but I have heard too many stories...

You're right bibilit, it is a 10uf not a 100uf. For that one, I cleaned as much of the old solder as I could. There was some that was sticking there and wouldn't be removed.

For anyone who cares, I found that the CRT will in fact work with my powerbook, but only if I put my powerbook to sleep and then wake it up with the monitor still plugged into VGA.

Thanks for the reply, techknight. Were you referring to the area around C9 I was talking about? Or were there other places you saw in the photos that look like trace rot?

Hello all, I have a Macintosh SE that I found for 10 bucks on craigslist back in 2011 when I was still in graduate school. I had to replace the hard drive and a little sensor on the floppy drive, and it has been working great ever since. I still love that little machine. I used to have a...

Here is another closeup, this one of C6. This is the last picture. Sorry, this one is very blurry. This is a closeup of the single 100uf 16v cap. This one was the tiniest capacitor. I had to solder it on its side because it was so tiny I couldn't hold it in place and solder it face down. It...

Thanks guys. I ran it through the dishwasher and now it is all shiny and clean. I will try it again next weekend (that should give it time to dry). Here are the pictures (before the wash): Here is the area I was talking about around C9, where the green layer was chipping off of the copper...

I have pictures but am having a hard time figuring out how to put them on here. I feel a little silly. Can someone help me out here? I think you guys have a point, the board is pretty dirty. I was reluctant to run it through the wash so I just rubbed it down with a cotton tip dipped in rubbing...

So about two weeks ago (or so) I bought a Macintosh Color Classic from a lady on Craigslist. She told me that it worked, and poor, gullible me believed her. She met me outside to make the deal and it looked like a shady part of town so I was reluctant to ask her to test it. I guess I should have...

Hi all, I have a Macintosh PowerBook 3400, which has an actual VGA port on the back. I have tested this VGA port with a modern LCD monitor and can confirm that it works perfectly. However, I wanted to use it with a CRT monitor, which gives a more classic, nostalgic retro feel. I have two CRT...

bibilit, that is perfect. Thank you very much. It looks like the leads were probably not interrupted on my board. I will proceed with the reccap as soon as my capacitors come in the mail...

Thanks bibilit... I was wondering, could you take a high res photo of the capacitor section in the bottom right corner of that photo? I need to be able to see the leads in the circuit...

Hello all, I recently bought a Macintosh Color Classic from a woman who had a classic mac collection she was trying to get rid of. I didn't pay very much for it, fortunately. She assured me that it was tested and working. When I got home I tried to power it on (yes, I used the keyboard) and...